As a user, you can watch or vote for messages in forums. To do so, click the corresponding button.
You will be able to delete a message or vote for a message according to your permissions (see Roles and permissions article ). If as a user you are not permitted to perform these actions, corresponding buttons will not be visible.
When you are a watcher, the corresponding icon will become colorful and the button text will change to Unwatch (then, you can click to revert action).
You can upvote or downvote. The opposite button reverts the action.
Use Comment to add a reply (Comment button is under the message, a reply block expands upon clicking).
Most voted messages will appear on the sidebar, along with latest messages and tags.